PC87366 datasheet(232/240 Pages) NSC

部件名	PC87366

功能描述	128-Pin LPC SuperI/O with System Hardware Monitoring, MIDI and Game Ports

PDF	240 Pages

Scroll/Zoom	100%

制造商	NSC [National Semiconductor (TI)]

网页	http://www.national.com

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232 / 240 page

14.0 Device Characteristics (Continued)

232

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14.5 AC ELECTRICAL CHARACTERISTICS

14.5.1

AC Test Conditions

Figure 49. AC Test Conditions, TA =0 °Cto70 °C, VDD = 5.0 V ±10%

Notes:

1. CL = 100 pF for all output except OPCI, and CL= 50pF for outputs of type OPCI, this includes jig and scope capacitance.

2. S1 = Open for push-pull output pins.

S1 = VDD for high impedance to active low and active low to high impedance measurements.

S1 = GND for high impedance to active high and active high to high impedance measurements.

RL = 1.0KΩ for µP interface pins.

3. For the FDC open-drive interface pins, S1 = VDD and RL = 150Ω.

14.5.2

Clock Timing

Symbol

Parameter

48 MHz

Min

Max

Unit

tCH

Clock High Pulse WidthNote 1.

Note 1. Not tested. Guaranteed by design.

8.4

tCL

Clock Low Pulse WidthNote 1.

8.4

tCP

Clock Period Note 1.

21.5

Device

Under

Test

0.1

µf

Input

Output

Load Circuit (Notes 1, 2, 3)

AC Testing Input, Output Waveform

VDD

2.4

0.4

2.0

0.8

Test Points

2.0

0.8

CLKIN

tCL

tCP

tCH

PC87366 数据表(PDF) 232 Page - National Semiconductor (TI)

PC87366 数据表(HTML) 232 Page - National Semiconductor (TI)

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